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  Lateral input-optic displacement in a diffractive Fabry-Perot cavity

Hallam, J., Chelkowski, S., Freise, A., Barr, B. W., Hild, S., Strain, K. A., et al. (2010). Lateral input-optic displacement in a diffractive Fabry-Perot cavity. Journal of Physics: Conference Series, 228: 012022.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-B05C-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-B05D-A
Genre: Conference Paper

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JoPCS228_012022.pdf (Any fulltext), 448KB
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 Creators:
Hallam, J., Author
Chelkowski, S.1, Author              
Freise, A.2, Author              
Barr, B. W., Author
Hild, S.1, Author              
Strain, K. A.1, Author              
Burmeister, O.1, Author              
Schnabel, R.1, Author              
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              
2Laser Physics, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445566              

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 Abstract: All-reflective configurations have been suggested for future laser-interferometric gravitational wave detectors. Diffraction gratings would be required as core elements of any such design. In this paper, coupling of lateral grating displacement to the output ports of a diffractive Fabry-Perot cavity was derived using a steady-state technique. The signal to noise ratio versus a potential gravitational wave signal was compared for each cavity output port. For a cavity featuring parameters similar to the planned Advanced Virgo instrument, we found the forward-reflected port offers the highest SNR at low frequencies. Furthermore, the lateral isolation suspension requirements were relaxed by a factor of twenty at a frequency of 10Hz versus the transmitted port.

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 Dates: 2010
 Publication Status: Published in print
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 Identifiers: DOI: 10.1088/1742-6596/228/1/012022
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Title: 8th Edoardo Amaldi Conference on Gravitational Waves
Place of Event: Columbia University, New York, USA
Start-/End Date: 2009-06-21 - 2009-06-26

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Title: Journal of Physics: Conference Series
Source Genre: Journal
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Publ. Info: Bristol : IOP Publ.
Pages: - Volume / Issue: 228 Sequence Number: 012022 Start / End Page: - Identifier: ISSN: 1742-6588
CoNE: /journals/resource/111097776606042